Brand Name: Prime-Line
*Diameter: 7/8 in.
*Length: 1/4 in.
*Finish: Mill
*Material: Nylon/Steel
*Product Type: Roller Assembly
*Number in Package: 2 pk
*Compatibility: Acme and Stanley door systems
*Minimum Door Length: 0.75 in.
*Hardware Included: Yes
*Maximum Door Length: 1-3/8 in.
*Packaging Type: Carded